According to reports Wednesday morning, a soldier was shot when a man opened fire at the National War Memorial on Parliament Hill and there were two additional shooting sites in Ottawa. The soldier shot died, a government official said. CNN reported that one gunman was confirmed dead.

"The National Hockey League wishes to express its sympathy and prayers to all affected by the tragic events in Ottawa," the league said in a statement.

The Leafs were scheduled to play the Senators on Wednesday night at Canadian Tire Centre in nearby Kanata. The date and time of the rescheduled game will be announced at a later date.

The Maple Leafs were on lockdown at the team's hotel in downtown Ottawa, a team representative confirmed to ESPN.com.

"The Toronto Maple Leaf Hockey Club extends its deepest condolences to the family and friends of all affected by the tragic events in downtown Ottawa today," the team said in a statement. "The club supports the National Hockey League's decision to postpone tonight's scheduled meeting with the Ottawa Senators.

"We have been witness today to some terrible events but are thankful to those brave men and women for their tireless service in protecting everyone's safety."